Electrical connector with improved shielding effect

Abstract

An electrical connector includes a conductive housing, a first terminal module, a first insulating fixing block and a first ground sheet. The conductive housing defines a receiving slot. The conductive housing includes a first conductive housing. The first terminal module includes a number of first conductive terminals. The first conductive terminal includes a first fixing portion and a first contact arm. The first conductive terminal is not in contact with the first conductive housing. The first insulating fixing block is fixed to the first conductive housing. The first ground sheet includes a first mounting plate, a second mounting plate and a first connecting plate. The first connecting plate at least partially covers a first front surface of the first insulating fixing block.

What is claimed is: 
     
         1 . An electrical connector, comprising:
 a conductive housing, the conductive housing defining a receiving slot configured to at least partially receive a mating module along a first direction; the conductive housing comprising a first conductive housing;   a first terminal module, the first terminal module being at least partially disposed in the first conductive housing; the first terminal module comprising a plurality of first conductive terminals;   the first conductive terminal comprising a first fixing portion and a first contact arm connected to the first fixing portion; the first contact arm comprising a first contact portion protruding into the receiving slot; the first conductive terminal being not in contact with the first conductive housing;   a first insulating fixing block, the first insulating fixing block being fixed to the first conductive housing; the first insulating fixing block comprising a first front surface located adjacent to a front end of the receiving slot; and   a first ground sheet, the first ground sheet comprising a first mounting plate, a second mounting plate opposite to the first mounting plate, and a first connecting plate connecting one side of the first mounting plate and one side of the second mounting plate; the first mounting plate being fixed to the first conductive housing; the second mounting plate comprising a first grounding elastic arm protruding into the receiving slot; the first connecting plate at least partially covering the first front surface of the first insulating fixing block.   
     
     
         2 . The electrical connector according to  claim 1 , wherein one end of the first grounding elastic arm is fixed, and another end of the first grounding elastic arm is movable along the first direction after the mating module is inserted into the receiving slot. 
     
     
         3 . The electrical connector according to  claim 1 , wherein the first conductive housing comprises a first protruding portion located on one side of the receiving slot; the first protruding portion comprises a second lower surface exposed to the receiving slot, a second upper surface opposite to the second lower surface, and a first positioning post protruding beyond the second upper surface;
 the first mounting plate at least partially covers the second upper surface; the first mounting plate defines a first mounting positioning hole to fix the first positioning post.   
     
     
         4 . The electrical connector according to  claim 3 , wherein the first ground sheet comprises a first extension plate extending from another side of the second mounting plate;
 the first protruding portion defines a first recess exposed to the second lower surface; the first extension plate is received in the first recess.   
     
     
         5 . The electrical connector according to  claim 4 , wherein the first extension plate is a movable end; and the first extension plate is movable along the first direction. 
     
     
         6 . The electrical connector according to  claim 4 , wherein the first protruding portion comprises a first mounting block protruding into the first recess; the first extension plate defines a first mounting hole to receive the first mounting block. 
     
     
         7 . The electrical connector according to  claim 6 , wherein a dimension of the first mounting hole along the first direction is larger than a dimension of the first mounting block along the first direction. 
     
     
         8 . The electrical connector according to  claim 1 , wherein the first conductive housing defines a first filling groove; the first insulating fixing block is molded in the first filling groove to be integrated with the first conductive housing. 
     
     
         9 . The electrical connector according to  claim 8 , wherein the first insulating fixing block comprises a first slit and a second slit; the first slit and the second slit are arranged side by side along a second direction; the second direction is perpendicular to the first direction;
 the first terminal module has two first conductive terminals which are a first signal terminal and a second signal terminal, respectively; the first contact arm of the first signal terminal extends at least partially into the first slit; the first contact arm of the second signal terminal extends at least partially into the second slit.   
     
     
         10 . The electrical connector according to  claim 9 , wherein the first conductive housing defines a first terminal module installation slot; the first terminal module installation slot communicates with the receiving slot; the first terminal module comprises a first holding block fixed on the first fixing portion of the first signal terminal and the first fixing portion of the second signal terminal; the first holding block is received in the first terminal module installation slot, so that the first fixing portion of the first signal terminal and the first fixing portion of the second signal terminal are arranged overhead in the first terminal module installation slot in order not to be in contact with the first conductive housing. 
     
     
         11 . An electrical connector, comprising:
 a conductive housing, the conductive housing defining a receiving slot configured to at least partially receive a mating module along a first direction; the conductive housing comprising a first conductive housing;   a first terminal module, the first terminal module being at least partially disposed in the first conductive housing; the first terminal module comprising a plurality of first conductive terminals; each first conductive terminal comprising a first fixing portion and a first contact arm connected to the first fixing portion; the first contact arm comprising a first contact portion protruding into the receiving slot; the first conductive terminals being not in contact with the first conductive housing;   a first insulating fixing block, the first insulating fixing block being fixed to the first conductive housing; the first insulating fixing block comprising a first front surface located adjacent to a front end of the receiving slot; and   a first ground sheet, the first ground sheet comprising a first mounting plate, a second mounting plate, and a first connecting plate connecting the first mounting plate and the second mounting plate; the first mounting plate being located outside of the receiving slot and fixed to the first conductive housing; the second mounting plate being exposed in the receiving slot, the second mounting plate comprising a first grounding elastic arm protruding into the receiving slot;   the first connecting plate at least partially covering the first front surface of the first insulating fixing block; the first connecting plate being configured to contact the mating module to release static electricity when the mating module in inserted into the receiving slot.   
     
     
         12 . The electrical connector according to  claim 11 , wherein one end of the first grounding elastic arm is fixed, and another end of the first grounding elastic arm is driven by the mating module to move linearly along the first direction after the mating module is inserted into the receiving slot. 
     
     
         13 . The electrical connector according to  claim 11 , wherein the first conductive housing comprises a first protruding portion located on one side of the receiving slot; the first protruding portion comprises a second lower surface exposed to the receiving slot, a second upper surface opposite to the second lower surface, and a first positioning post protruding beyond the second upper surface;
 the first mounting plate at least partially covers the second upper surface; the first mounting plate defines a first mounting positioning hole to fix the first positioning post.   
     
     
         14 . The electrical connector according to  claim 13 , wherein the first ground sheet comprises a first extension plate extending from another side of the second mounting plate;
 the first protruding portion defines a first recess exposed to the second lower surface; the first extension plate is received in the first recess.   
     
     
         15 . The electrical connector according to  claim 14 , wherein the first extension plate is a movable end; and the first extension plate is movable along the first direction. 
     
     
         16 . The electrical connector according to  claim 14 , wherein the first protruding portion comprises a first mounting block protruding into the first recess; the first extension plate defines a first mounting hole to receive the first mounting block. 
     
     
         17 . The electrical connector according to  claim 16 , wherein a dimension of the first mounting hole along the first direction is larger than a dimension of the first mounting block along the first direction. 
     
     
         18 . The electrical connector according to  claim 11 , wherein the first conductive housing defines a first filling groove; the first insulating fixing block is molded in the first filling groove to be integrated with the first conductive housing. 
     
     
         19 . The electrical connector according to  claim 18 , wherein the first insulating fixing block comprises a first slit and a second slit; the first slit and the second slit are arranged side by side along a second direction; the second direction is perpendicular to the first direction;
 the first terminal module has two first conductive terminals which are a first signal terminal and a second signal terminal, respectively; the first contact arm of the first signal terminal extends at least partially into the first slit; the first contact arm of the second signal terminal extends at least partially into the second slit.   
     
     
         20 . The electrical connector according to  claim 19 , wherein the first conductive housing defines a first terminal module installation slot; the first terminal module installation slot communicates with the receiving slot; the first terminal module comprises a first holding block fixed on the first fixing portion of the first signal terminal and the first fixing portion of the second signal terminal; the first holding block is received in the first terminal module installation slot, so that the first fixing portion of the first signal terminal and the first fixing portion of the second signal terminal are arranged overhead in the first terminal module installation slot in order not to be in contact with the first conductive housing.